Research Article

Predictors of Hypocalcemia after Thyroidectomy: Results from the Nationwide Inpatient Sample

Table 3

Predictors of inpatient hypocalcemia after thyroidectomy.

Risk factorOdds ratio
(95% CI)
𝑃 value

Age (per year)0.99 (0.99-0.99)<.001
Female gender1.62 (1.45–1.80)<.001
Ethnicity
White1.00
Black0.77 (0.64–0.91).003
Hispanic1.20 (1.06–1.36).003
Asian or Pacific Islander1.21 (1.02–1.44).03
Native American0.79 (0.40–1.56).49
Other0.97 (0.78–1.22).80
Principal procedure
Unilateral thyroid lobectomy1.00
Total thyroidectomy3.72 (3.27–4.24)<.001
Thyroidectomy with unilateral neck dissection5.58 (4.65–6.70)<.001
Thyroidectomy with bilateral neck dissection9.42 (7.40–11.99)<.001
Complete substernal thyroidectomy3.54 (2.70–4.66)<.001
Partial substernal thyroidectomy1.48 (0.75–2.92).26
Substernal thyroidectomy, not otherwise specified6.13 (1.09–34.45).04
Other: isthmectomy, partial thyroidectomy not otherwise specified1.37 (1.13–1.67).001
Length of stay (per day)1.12 (1.11–1.13)<.001
Nonteaching hospital1.28 (1.18–1.39)<.001
Malignant neoplasm of thyroid gland1.99 (1.76–2.26)<.001